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{"cveTags": [], "descriptions": [{"lang": "en", "value": "Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 9.1.0 and prior. Easily exploitable vulnerability allows low privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server. CVSS 3.1 Base Score 6.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)."}, {"lang": "es", "value": "Vulnerabilidad en el producto MySQL Server de Oracle MySQL (componente: Server: Optimizer). Las versiones compatibles afectadas son 9.1.0 y anteriores. Esta vulnerabilidad, que se puede explotar f\u00e1cilmente, permite que un atacante con pocos privilegios y acceso a la red a trav\u00e9s de m\u00faltiples protocolos comprometa MySQL Server. Los ataques exitosos de esta vulnerabilidad pueden dar como resultado la capacidad no autorizada de provocar un bloqueo o un bloqueo frecuente y repetitivo (DOS completo) de MySQL Server. Puntuaci\u00f3n base de CVSS 3.1: 6,5 (impactos en la disponibilidad). Vector CVSS: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)."}], "id": "CVE-2025-21566", "lastModified": "2025-02-04T17:15:21.033", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 3.6, "source": "secalert_us@oracle.com", "type": "Secondary"}]}, "published": "2025-01-21T21:15:23.590", "references": [{"source": "secalert_us@oracle.com", "url": "https://www.oracle.com/security-alerts/cpujan2025.html"}], "sourceIdentifier": "secalert_us@oracle.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-732"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{"bugzilla": {"description": "mysql: Denial of Service Vulnerability in MySQL Server Optimizer", "id": "2339273", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2339273"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.5", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-404", "details": ["Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 9.1.0 and prior. Easily exploitable vulnerability allows low privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server. CVSS 3.1 Base Score 6.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H).", "A flaw was found in MySQL Server, specifically in the Optimizer component. This vulnerability allows a low-privileged attacker to cause a hang or frequently repeatable crash, meaning a complete denial of service, via network access using multiple protocols."], "name": "CVE-2025-21566", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "mysql", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "mysql:8.0/mysql", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "mysql", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-01-21T20:53:22Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-21566\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-21566\nhttps://www.oracle.com/security-alerts/cpujan2025.html#AppendixMSQL"], "threat_severity": "Moderate"}